From d2db9a2555899325ad2848802642d74013c86881 Mon Sep 17 00:00:00 2001
From: Remco Burema <r.burema@ultimaker.com>
Date: Wed, 1 Nov 2023 17:14:29 +0100
Subject: [PATCH] Defensive programming for isometric snapshot.

---
 plugins/MakerbotWriter/MakerbotWriter.py | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/plugins/MakerbotWriter/MakerbotWriter.py b/plugins/MakerbotWriter/MakerbotWriter.py
index 1efac694c8..7eeee9c290 100644
--- a/plugins/MakerbotWriter/MakerbotWriter.py
+++ b/plugins/MakerbotWriter/MakerbotWriter.py
@@ -113,16 +113,18 @@ class MakerbotWriter(MeshWriter):
             return
         try:
             snapshot = Snapshot.isometricSnapshot(width, height)
+
+            thumbnail_buffer = QBuffer()
+            thumbnail_buffer.open(QBuffer.OpenModeFlag.WriteOnly)
+
+            snapshot.save(thumbnail_buffer, "PNG")
+
+            return thumbnail_buffer
+
         except:
             Logger.logException("w", "Failed to create snapshot image")
-            return
 
-        thumbnail_buffer = QBuffer()
-        thumbnail_buffer.open(QBuffer.OpenModeFlag.WriteOnly)
-
-        snapshot.save(thumbnail_buffer, "PNG")
-
-        return thumbnail_buffer
+        return None
 
     def write(self, stream: BufferedIOBase, nodes: List[SceneNode], mode=MeshWriter.OutputMode.BinaryMode) -> bool:
         if mode != MeshWriter.OutputMode.BinaryMode: